Senior System Engineer

Our customer, a leading alternative asset management firm, is seeking a Senior Systems Engineer to support and enhance a hybrid enterprise infrastructure spanning both Microsoft Azure cloud and on-premises environments. This hands-on role is responsible for Tier III infrastructure support, systems administration, automation, and infrastructure improvement initiatives while partnering with internal IT teams to ensure a secure, scalable, and reliable technology environment. This is a hybrid position requiring four days onsite in Radnor, PA and remote work on Fridays.ResponsibilitiesProvide Tier III support for enterprise infrastructure, troubleshooting and resolving complex systems, server, and cloud-related issues.Administer and maintain Microsoft Azure, Windows Server, Active Directory, Microsoft 365, virtualization platforms, and hybrid cloud environments.Support infrastructure improvement projects, system upgrades, migrations, and automation initiatives using PowerShell.Monitor, maintain, and optimize enterprise infrastructure performance, availability, and security.Configure and support core infrastructure services including DNS, DHCP, virtualization, and identity management.Collaborate with infrastructure, cloud, and DevOps teams on enterprise technology initiatives.Assist with security monitoring and incident response utilizing Microsoft Sentinel, Microsoft Defender, and enterprise monitoring tools.Provide technical mentorship and support to junior team members while assisting with occasional escalated desktop and end-user support issues.Document infrastructure configurations, procedures, and technical solutions.Requirements5+ years of hands-on Systems Engineering or Infrastructure Engineering experience in medium-to-large enterprise environments.Strong experience administering Microsoft Azure, Windows Server, Active Directory, Microsoft 365, and hybrid cloud infrastructure.Advanced PowerShell scripting and automation experience.Experience providing Tier III infrastructure support and troubleshooting complex enterprise systems.Strong knowledge of DNS, DHCP, virtualization technologies (VMware or equivalent), and enterprise systems administration.Excellent problem-solving, communication, and documentation skills with the ability to work independently.Experience with Microsoft Sentinel, Microsoft Defender, Azure DevOps, Kubernetes, MSSQL, and enterprise monitoring tools is preferred.Prior consulting experience and a strong desire to learn and work across a broad range of infrastructure technologies are highly valued.